diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4dbe76e..157eeba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,6 +36,7 @@
                          "${NULL_ENTROPY_WARN_L3}"
                          "${WARNING_BORDER}")
 
+find_package(PythonInterp)
 find_package(Perl)
 if(PERL_FOUND)